Commercial solar project design can be optimized with the use of multiple string lengths . String lengths refer to the number of solar modules in a series to an inverter. Using the “Sub-Array” feature within PVCAD, you can assign differing string lengths to the same inverter.
Here’s a video by co-founder Daniel Sherwood on how to use different numbers of strings to a single inverter.
https://youtu.be/K49PLeCyg6o